Problems from The 2020 ICPC Vietnam National Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Astrological Sign0.003603472128837%2.5Easyen
Battle of Hogwarts0.06733110627125%5.5Harden
Cable Car0.002822955519%8.0Harden
Dividing Kingdom0.3416244719921%6.1Harden
Easy Arithmetic0.0816563366519%7.8Harden
Fluffy Cat0.0114322373716%7.9Harden
Greatest Pair0.47143478816120%6.1Harden
Highway to Mount Fansipan0.03347108829327%4.1Mediumen
Infinite 2D Array0.0445669919027%5.5Harden
Just Enough Water0.0042746015133%4.4Mediumen
Kingdom of Cats0.0047483122427%5.1Mediumen
Looping Around0.4718583084916%7.5Harden
Malfunctioning Robot0.0074142539528%3.7Mediumen